the united states is trying to see whether the device could have been detected by the full body scanners that are now deployed in many airlines, many airports for flights that are bound to the u.s. now they say they can't be certain but they suspect it's built by al qaeda's and yemen's master bombmaker, the same man who designed the underwear bomb, and also the bombs that were hidden in printer card ridge, toner cartridges that were sent on cargo planes, intercepted on flights that were destined for chicago. so it's described as a great success, chris, for intelligence, and a further sign that al qaeda in yemen still the number one plot -- number one threat to the u.s. >> let me go to andrea mitchell for the political context. if you were to blow up an airliner, flying from yemen, to the united states, filled with people from yemen, people from our side working with them, what would be the fire power politically of blowing up a plane in that route? >> well, certainly that would be -- >> okay i'm gone. >> -- a huge political explosion, as well. let me give you a few more details. as you j
